GateConnections

AA 4712 then DL 2342 at JFK

Nashville → New York → Atlanta

Timetable, New York time

12:19AA 4712 from Nashville at the gate

11:30DL 2342 to Atlanta leaves the gate

23 h 11 apart on the timetable, overnight

DL 2342 leaves 23 h 11 after AA 4712 arrives on the timetable: more than half a day, so not a connection we count.